Description:Provides 48 PCIe Gen2 lanes and 12 ports of high-performance, deterministic system interconnect switching. All ports receive full line rate, non-blocking throughput for multiple traffic flows regardless of switch loading.
Renesas provides a recommended PCB layout guide in their application note (APL-AN-1201) which includes thermal design considerations, such as thermal vias, copper pours, and component placement.
Renesas recommends a specific power sequencing scheme in their datasheet, which involves powering up the VCC and VDD pins in a specific order. Additionally, they provide a power sequencing diagram in their application note (APL-AN-1202).
Renesas recommends using high-frequency, low-ESR capacitors (e.g., 0.1uF, 1uF, and 10uF) for decoupling, placed as close as possible to the power pins. The exact values and placement depend on the specific application and PCB design.
The thermal shutdown feature is enabled by default. When the die temperature exceeds 150°C, the device will shut down. To handle this, designers should implement a thermal monitoring and shutdown detection circuit, and ensure proper thermal design and cooling mechanisms are in place.
The built-in voltage regulators have limitations on output current, voltage range, and power dissipation. Designers should carefully review the datasheet and application notes to ensure the regulators meet their specific application requirements.
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89H48H12G2ZCBLI Overview
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